ENGINE WILL NOT START AND HDS DOES NOT COMMUNICATE WITH THE PCM (MIL Comes On And Stays On, no DTCs set)
Diagnostic procedure
- 1. PCM power and ground circuit troubleshooting - Refer to:
PCM Power and Ground Circuit Troubleshooting (6-Speed A/T), ('16-'18 9-Speed A/T)
PCM Power and Ground Circuit Troubleshooting (9-Speed A/T) (2019 2020 2021)